• Bokaro Steel Plant, Bokaro
• Durgapur Steel Plant, Durgapur
• Indian Iren & Steel Co., W.B.
• Ispat Industries Ltd., Dolvi (Maharastra)
• Steel Authority of India, Bihar
• Tata Iron & Steel Co., Jamsedpur.
• Tata Sponge Iron Ltd., Joda
• Vishakhapatnum Steel Plant, Vizag

• Sinar Mass & Pulp Paper (India) Ltd. Pune
• Wimco Match Factory (Paper Divn.), W.B.
• Universal Paper Mills, Jhargram, W.B.

• Damodar Cement & Slag, Madhukunda, W.B.
• Hindustan Fertilizer Co., Durgapur, W.B.
• India Cement, Sangagiri, Salem, Tamil Nadu

• Assam Air Products, Sibsagar, Assam.
• Assam Polytex Ltd., Assam
• Indian Oil Corporation, Kalyani, W.B.
• Indian Oxygen, Guwahati, Assam.
• Ponni Sugars & Chemicals (I) Ltd., Chennai

• Bharat Cooking Coal Ltd., Dhanbad
• Central Coal Field, Kedla, Bihar
• Eastern Coal Fields, Pandaveswar, W.B.
• TISCO, West Bokaro, Bihar.
• ST-CLI Coal Washeries Ltd., Korba, Chattisgarh.

• Bakreswar Tharmal Power Plant, W.B.
• Bandel Tharmal Power Station, W.B.
• CESC Ltd., Kolkata, W.B.
• Chandrapura Tharmal Power Station, Bihar
• GAS Tharmal Project, Tripura.
• National Trhermal Corp. Ltd. Talcher.
• Power Grid Corporation of India Ltd., Assam
• Sabarmati Power Station, Ahmedabad.

• Adityapur Industrial Area Development Authority, Jamsedpur
• Indian Airlines, Calcutta.
• N.C.H.S., Calcutta.
• Sahara India Commercial Corp. Ltd., Pune
• SBI Staff Quarters Complex, Durgapur, West Bengal.
• SBI, IDCO Towers, Bhubaneswar.
• United Co-operative Housing Society, Durgapur, W.B.
• Bengal Shrachi Housing Development Ltd., Kolkata.

• Bharat Alluminium Co. Ltd., Korba
• Light Metal Industries, Khannan, W.B.
• Nation Alluminium Co. Ltd., Angul.
• Neyveli Lignite Corporation Ltd., Neyveli
• Urenium Corporation of India Ltd., Jharkhand.

• Bhutan Power Corporation Ltd. Bhutan.
• Bhutan Engineering, Bhutan.
• Tala Hydroelectric Project Authority, Bhutan
• Sunsari Morang Hydel Power Plant, Nepal.

• Bakreswar Tharmal Power Plant, W.B.
• Bandel Tharmal Power Station, W.B.
• CESC Ltd., Kolkata, W.B.
• Damodar Velly Corp., Durgapur.
• GAS Tharmal Project, Tripura.
• National Trhermal Corp. Ltd. Talcher.
• Nuclear Power Corp. Keiga.
• Raichur Tharmal Power Plant, Karnataka.

• Assam State Electricity Board, Assam.
• Electricity Department, Govt. of Manipur.
• Jharkhand State Electricity Board, Ranchi.
• Karnataka Electricals Board, Karnataka.
• Meghalaya State Electricity Board, Meghalaya.
• Rajasthan Rajya Vidyut Parisad Nigam Ltd., Jodhpur
• West Bengal State Electricity Board, W.B.